Design, Supply & Installation
Design, Verification & Documentation
- Design and configuration of PV arrays, inverters and associated electrical networks
- Design and submission of all shop drawings and as-built drawings
- Design and simulation of PV system models for performance verification
- Documentation and submission of all safety documents for the duration of work
Supply & Installation
- PV modules and supporting structures
- Grid-tied PV inverters with data logging
- Balance of System (BOS), including DC & AC cabling and trunking, lightning protection system, protection devices etc, up to point of common coupling (PCC)
- Reticulation of PV power to MSB
Testing & Commissioning
- Testing, quality assurance and performance verification prior to commissioning
- LEW (PV) submission and endorsement
Operation & Maintenance during contract term
- Daily online cloud-based monitoring with alarm notifications
- System performance and generation report
- Spot cleaning of PV modules
- Preventive maintenance site inspection, including structural checks, electrical measurements and thermal scanning
Schedule Projection
Week 0
Confirmation of project
Week 1 – 10 (8 to 10 weeks)
Preparations
Engineering Design,
Procurement,
Authorities,
Submission
Week 11 – 17 (4 to 6 weeks)
Installation
PV Structure,
PV Panels,
AC/DC,
Electricals
Concurrent (8 to 16 weeks)
SP Commissioning
LEW,
Endorsement,
SP Application submissions,
SP Testing,
(End of Project)
Warranty & Maintenance
System warranty
- 12months from completion of installation of system
- Waterproofing warranty: 3 year (if applicable)
Maintenance
- Twice per year
2,400 SGD per year (free for first 2 years)
Equipment Warranty
Warranty
1st Year Power Output: 99.0% of rated power
PV Module
30th Year Power Output: 87.4% of rated power
Material Warranty: 12 years
PV Inverter
5 years
PV Mounting Structure
10 years